Home / 6,128,656.40-9,192,984.60-1,640,932.40

Finding the Fourth Proportional to 6,128,656.40, 9,192,984.60 and 1,640,932.40

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Solution

The fourth proportional to 6,128,656.40, 9,192,984.60 and 1,640,932.40 is: 2,461,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,656.40 : 9,192,984.60 = 1,640,932.40 : x
  2. Step 2: Convert to fraction form
    6,128,656.40/9,192,984.60 = 1,640,932.40/x
  3. Step 3: Cross multiply
    6,128,656.40x = 9,192,984.60 × 1,640,932.40
  4. Step 4: Simplify right side
    6,128,656.40x = 15,085,066,282,841.04
  5. Step 5: Solve for x
    x = 15,085,066,282,841.04/6,128,656.40
  6. Step 6: Final answer
    x = 2,461,398.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.